Try using clang
Try using clang

Originally I didn't do this as it seems the linker step uses gcc
regardless. But it seems better to be consistent with the other C repos.

Note it's still the case that the linker step appears to use gcc, but
I'm choosing to believe that's okay.

maxmind/MaxMind-DB-Reader-python,maxmind/MaxMind-DB-Reader-python,maxmind/MaxMind-DB-Reader-python